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[ckeditor.git] / skins / ckeditor / _source / plugins / pagebreak / plugin.js
1 /*
2 Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.
3 For licensing, see LICENSE.html or http://ckeditor.com/license
4 */
5
6 /**
7 * @file Horizontal Page Break
8 */
9
10 // Register a plugin named "pagebreak".
11 CKEDITOR.plugins.add( 'pagebreak',
12 {
13 init : function( editor )
14 {
15 // Register the command.
16 editor.addCommand( 'pagebreak', CKEDITOR.plugins.pagebreakCmd );
17
18 // Register the toolbar button.
19 editor.ui.addButton( 'PageBreak',
20 {
21 label : editor.lang.pagebreak,
22 command : 'pagebreak'
23 });
24
25 var cssStyles = [
26 '{' ,
27 'background: url(' + CKEDITOR.getUrl( this.path + 'images/pagebreak.gif' ) + ') no-repeat center center;' ,
28 'clear: both;' ,
29 'width:100%; _width:99.9%;' ,
30 'border-top: #999999 1px dotted;' ,
31 'border-bottom: #999999 1px dotted;' ,
32 'padding:0;' ,
33 'height: 5px;' ,
34 'cursor: default;' ,
35 '}'
36 ].join( '' ).replace(/;/g, ' !important;' ); // Increase specificity to override other styles, e.g. block outline.
37
38 // Add the style that renders our placeholder.
39 editor.addCss( 'div.cke_pagebreak' + cssStyles );
40
41 // Opera needs help to select the page-break.
42 CKEDITOR.env.opera && editor.on( 'contentDom', function()
43 {
44 editor.document.on( 'click', function( evt )
45 {
46 var target = evt.data.getTarget();
47 if ( target.is( 'div' ) && target.hasClass( 'cke_pagebreak') )
48 editor.getSelection().selectElement( target );
49 });
50 });
51 },
52
53 afterInit : function( editor )
54 {
55 var label = editor.lang.pagebreakAlt;
56
57 // Register a filter to displaying placeholders after mode change.
58 var dataProcessor = editor.dataProcessor,
59 dataFilter = dataProcessor && dataProcessor.dataFilter,
60 htmlFilter = dataProcessor && dataProcessor.htmlFilter;
61
62 if ( htmlFilter )
63 {
64 htmlFilter.addRules(
65 {
66 attributes : {
67 'class' : function( value, element )
68 {
69 var className = value.replace( 'cke_pagebreak', '' );
70 if ( className != value )
71 {
72 var span = CKEDITOR.htmlParser.fragment.fromHtml( '<span style="display: none;">&nbsp;</span>' );
73 element.children.length = 0;
74 element.add( span );
75 var attrs = element.attributes;
76 delete attrs[ 'aria-label' ];
77 delete attrs.contenteditable;
78 delete attrs.title;
79 }
80 return className;
81 }
82 }
83 }, 5 );
84 }
85
86 if ( dataFilter )
87 {
88 dataFilter.addRules(
89 {
90 elements :
91 {
92 div : function( element )
93 {
94 var attributes = element.attributes,
95 style = attributes && attributes.style,
96 child = style && element.children.length == 1 && element.children[ 0 ],
97 childStyle = child && ( child.name == 'span' ) && child.attributes.style;
98
99 if ( childStyle && ( /page-break-after\s*:\s*always/i ).test( style ) && ( /display\s*:\s*none/i ).test( childStyle ) )
100 {
101 attributes.contenteditable = "false";
102 attributes[ 'class' ] = "cke_pagebreak";
103 attributes[ 'data-cke-display-name' ] = "pagebreak";
104 attributes[ 'aria-label' ] = label;
105 attributes[ 'title' ] = label;
106
107 element.children.length = 0;
108 }
109 }
110 }
111 });
112 }
113 },
114
115 requires : [ 'fakeobjects' ]
116 });
117
118 CKEDITOR.plugins.pagebreakCmd =
119 {
120 exec : function( editor )
121 {
122 var label = editor.lang.pagebreakAlt;
123
124 // Create read-only element that represents a print break.
125 var pagebreak = CKEDITOR.dom.element.createFromHtml(
126 '<div style="' +
127 'page-break-after: always;"' +
128 'contenteditable="false" ' +
129 'title="'+ label + '" ' +
130 'aria-label="'+ label + '" ' +
131 'data-cke-display-name="pagebreak" ' +
132 'class="cke_pagebreak">' +
133 '</div>', editor.document );
134
135 var ranges = editor.getSelection().getRanges( true );
136
137 editor.fire( 'saveSnapshot' );
138
139 for ( var range, i = ranges.length - 1 ; i >= 0; i-- )
140 {
141 range = ranges[ i ];
142
143 if ( i < ranges.length -1 )
144 pagebreak = pagebreak.clone( true );
145
146 range.splitBlock( 'p' );
147 range.insertNode( pagebreak );
148 if ( i == ranges.length - 1 )
149 {
150 var next = pagebreak.getNext();
151 range.moveToPosition( pagebreak, CKEDITOR.POSITION_AFTER_END );
152
153 // If there's nothing or a non-editable block followed by, establish a new paragraph
154 // to make sure cursor is not trapped.
155 if ( !next || next.type == CKEDITOR.NODE_ELEMENT && !next.isEditable() )
156 range.fixBlock( true, editor.config.enterMode == CKEDITOR.ENTER_DIV ? 'div' : 'p' );
157
158 range.select();
159 }
160 }
161
162 editor.fire( 'saveSnapshot' );
163 }
164 };